Bookshelf
Reference
30 free books on the Reference bookshelf, free to read online. Chapter 1 of any book is free, no account needed.

Atlas of ancient & classical geography
The Laws of Etiquette; Or, Short Rules and Reflections for Conduct in Society
Etiquette
The Book of Good Manners; a Guide to Polite Usage for All Social Functions
Frost's Laws and By-Laws of American Society
A condensed but thorough treatise on etiquette and its usages in America, containing plain and reliable directions for deportment in every situation in life.